diff --git a/Gemfile.lock b/Gemfile.lock
index 01782df..91ad080 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -67,7 +67,7 @@ GEM
       simplecov-html (~> 0.8.0)
     simplecov-html (0.8.0)
     thread_safe (0.3.6)
-    tzinfo (1.2.5)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
 
 PLATFORMS